Issues

• We call RegExpBuiltinExec without using ECMAScript's ! or ?

  whatwg/urlpattern#287 · Filter by author annevk opened on Jun 25, 2026

• Component match results are not intuitive for patterns with RegExp having named-capture groups

  whatwg/urlpattern#284 · Filter by author azaika opened on Jun 11, 2026
  2

• Consider some more narrow _origin_ matching mechanism?

  addition/proposalneeds implementer interest
  whatwg/urlpattern#275 · Filter by author mikewest opened on Jul 23, 2025
  16

• canonicalize an opaque pathname is broken

  whatwg/urlpattern#267 · Filter by author annevk opened on Mar 20, 2025
  2

• Hostname canonicalization has surprising interactions

  whatwg/urlpattern#259 · Filter by author jeremyroman opened on Feb 21, 2025

• Difference with path-to-regexp v8

  whatwg/urlpattern#256 · Filter by author vitalets opened on Feb 11, 2025
  2

• URLPattern use of URL record is ambiguous

  whatwg/urlpattern#252 · Filter by author youennf opened on Jan 15, 2025
  10

• Globstar ** causes exponential runtime behavior

  whatwg/urlpattern#237 · Filter by author johnp opened on Sep 21, 2024
  2

• Cannot capture default port in a named group

  whatwg/urlpattern#234 · Filter by author rotu opened on Aug 30, 2024
  10

• Does not tolerate + in protocol

  whatwg/urlpattern#228 · Filter by author rotu opened on Aug 2, 2024
  8

• delimiter characters not included in component parts

  whatwg/urlpattern#227 · Filter by author rotu opened on Aug 2, 2024
  6

• Opaque Host and domain encoding

  whatwg/urlpattern#220 · Filter by author rubycon opened on Feb 21, 2024
  6

• Constructor string parser has confusing result for paths containing a colon.

  whatwg/urlpattern#210 · Filter by author jeremyroman opened on Jan 23, 2024
  2

• More consistent and robust segment wilcard generation

  whatwg/urlpattern#207 · Filter by author rubycon opened on Jan 19, 2024
  1

• Handling of special character in hostname

  whatwg/urlpattern#206 · Filter by author rubycon opened on Jan 19, 2024

• Base URL and empty pathname in URLPatternInit

  whatwg/urlpattern#200 · Filter by author sisidovski opened on Nov 21, 2023

• Consider cleaning up extra markdown documents

  whatwg/urlpattern#195 · Filter by author domenic opened on Oct 18, 2023

• Backslash escaping is required for colon before password in string syntax

  whatwg/urlpattern#189 · Filter by author jeremyroman opened on Oct 3, 2023

• Add a "using URLPattern in other APIs" section

  whatwg/urlpattern#182 · Filter by author domenic opened on Sep 12, 2023
  14

• Matching ( and ) in a regexp matcher requires escaping

  whatwg/urlpattern#177 · Filter by author lucacasonato opened on Jul 10, 2023
  4

• URLPattern search param order matters

  whatwg/urlpattern#176 · Filter by author reggi opened on May 1, 2023
  2

• matching dotfiles can be difficult

  whatwg/urlpattern#159 · Filter by author wanderview opened on Jan 19, 2022

• pathnames starting with ./ immediately follow by a matching group can result in double-slash

  whatwg/urlpattern#158 · Filter by author wanderview opened on Jan 19, 2022
  1

• Search params matching

  addition/proposal
  whatwg/urlpattern#150 · Filter by author bathos opened on Nov 18, 2021
  7

• Optional groups with a leading slash do not match correctly

  whatwg/urlpattern#149 · Filter by author posva opened on Nov 10, 2021
  15